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David J. Hawkins

CSCsr: 1 patents #1 of 1Top 100%

Johannesburg, TX: #1 of 1 inventorsTop 100%

Overall (1997): #163,364 of 185,788Top 90%

1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5702200	Manhole cover frames	—	1997-12-30